Frequencies for first 10,000 rows of ownsmg variable in nhamcsopd1995 dataset :

     hospital ownership |      Freq.     Percent        Cum.
------------------------+-----------------------------------
   Voluntary non-profit |      7,133       71.33       71.33
Government, non-Federal |      1,419       14.19       85.52
            Proprietary |      1,448       14.48      100.00
------------------------+-----------------------------------
                  Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016